<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/html">
<head>
    <meta charset="UTF-8">
    <title>计算器</title>
    <link rel="stylesheet" href="css.css">
</head>
<body onload="init(),jump_to_page()">
<div class="main">
    <form action="">
        <div class="top">
            <input type="text" name="num" id="num" maxlength="10">
        </div>
        <div class="bottom">
            <input type="button" value="C" onclick="reset()" name="" id="clear">
            <input type="button" value="←" name="" id="backspace">
            <input type="button" value="+/-" name="" id="Plus">
            <input type="button" value="/" name="" id="divide">
            <input type="button" value="1" name="" id="one">
            <input type="button" value="2" name="" id="two">
            <input type="button" value="3" name="" id="three">
            <input type="button" value="*" name="" id="Multiply">
            <input type="button" value="4" name="" id="four">
            <input type="button" value="5" name="" id="five">
            <input type="button" value="6" name="" id="six">
            <input type="button" value="-" name="" id="minus">
            <input type="button" value="7" name="" id="seven">
            <input type="button" value="8" name="" id="eight">
            <input type="button" value="9" name="" id="nine">
            <input type="button" value="+" name="" id="jia">
            <input type="button" value="." name="" id="point">
            <input type="button" value="0" name="" id="zero">
            <input type="button" value="=" name="" id="equal">
            <input type="button" value="m" name="" id="m">
        </div>
    </form>
</div>
<script src="js.js">

</script>
</body>
</html>